// 
// Decompiled by Procyon v0.6.0
// 

package com.hypixel.hytale.protocol;

import java.util.Objects;
import java.util.Arrays;
import com.hypixel.hytale.protocol.io.ValidationResult;
import com.hypixel.hytale.protocol.io.PacketIO;
import com.hypixel.hytale.protocol.io.ProtocolException;
import com.hypixel.hytale.protocol.io.VarInt;
import io.netty.buffer.ByteBuf;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;

public class Animation
{
    public static final int NULLABLE_BIT_FIELD_SIZE = 1;
    public static final int FIXED_BLOCK_SIZE = 22;
    public static final int VARIABLE_FIELD_COUNT = 2;
    public static final int VARIABLE_BLOCK_START = 30;
    public static final int MAX_SIZE = 32768040;
    @Nullable
    public String name;
    public float speed;
    public float blendingDuration;
    public boolean looping;
    public float weight;
    @Nullable
    public int[] footstepIntervals;
    public int soundEventIndex;
    public int passiveLoopCount;
    
    public Animation() {
        this.blendingDuration = 0.2f;
    }
    
    public Animation(@Nullable final String name, final float speed, final float blendingDuration, final boolean looping, final float weight, @Nullable final int[] footstepIntervals, final int soundEventIndex, final int passiveLoopCount) {
        this.blendingDuration = 0.2f;
        this.name = name;
        this.speed = speed;
        this.blendingDuration = blendingDuration;
        this.looping = looping;
        this.weight = weight;
        this.footstepIntervals = footstepIntervals;
        this.soundEventIndex = soundEventIndex;
        this.passiveLoopCount = passiveLoopCount;
    }
    
    public Animation(@Nonnull final Animation other) {
        this.blendingDuration = 0.2f;
        this.name = other.name;
        this.speed = other.speed;
        this.blendingDuration = other.blendingDuration;
        this.looping = other.looping;
        this.weight = other.weight;
        this.footstepIntervals = other.footstepIntervals;
        this.soundEventIndex = other.soundEventIndex;
        this.passiveLoopCount = other.passiveLoopCount;
    }
    
    @Nonnull
    public static Animation deserialize(@Nonnull final ByteBuf buf, final int offset) {
        final Animation obj = new Animation();
        final byte nullBits = buf.getByte(offset);
        obj.speed = buf.getFloatLE(offset + 1);
        obj.blendingDuration = buf.getFloatLE(offset + 5);
        obj.looping = (buf.getByte(offset + 9) != 0);
        obj.weight = buf.getFloatLE(offset + 10);
        obj.soundEventIndex = buf.getIntLE(offset + 14);
        obj.passiveLoopCount = buf.getIntLE(offset + 18);
        if ((nullBits & 0x1) != 0x0) {
            final int varPos0 = offset + 30 + buf.getIntLE(offset + 22);
            final int nameLen = VarInt.peek(buf, varPos0);
            if (nameLen < 0) {
                throw ProtocolException.negativeLength("Name", nameLen);
            }
            if (nameLen > 4096000) {
                throw ProtocolException.stringTooLong("Name", nameLen, 4096000);
            }
            obj.name = PacketIO.readVarString(buf, varPos0, PacketIO.UTF8);
        }
        if ((nullBits & 0x2) != 0x0) {
            final int varPos2 = offset + 30 + buf.getIntLE(offset + 26);
            final int footstepIntervalsCount = VarInt.peek(buf, varPos2);
            if (footstepIntervalsCount < 0) {
                throw ProtocolException.negativeLength("FootstepIntervals", footstepIntervalsCount);
            }
            if (footstepIntervalsCount > 4096000) {
                throw ProtocolException.arrayTooLong("FootstepIntervals", footstepIntervalsCount, 4096000);
            }
            final int varIntLen = VarInt.length(buf, varPos2);
            if (varPos2 + varIntLen + footstepIntervalsCount * 4L > buf.readableBytes()) {
                throw ProtocolException.bufferTooSmall("FootstepIntervals", varPos2 + varIntLen + footstepIntervalsCount * 4, buf.readableBytes());
            }
            obj.footstepIntervals = new int[footstepIntervalsCount];
            for (int i = 0; i < footstepIntervalsCount; ++i) {
                obj.footstepIntervals[i] = buf.getIntLE(varPos2 + varIntLen + i * 4);
            }
        }
        return obj;
    }
    
    public static int computeBytesConsumed(@Nonnull final ByteBuf buf, final int offset) {
        final byte nullBits = buf.getByte(offset);
        int maxEnd = 30;
        if ((nullBits & 0x1) != 0x0) {
            final int fieldOffset0 = buf.getIntLE(offset + 22);
            int pos0 = offset + 30 + fieldOffset0;
            final int sl = VarInt.peek(buf, pos0);
            pos0 += VarInt.length(buf, pos0) + sl;
            if (pos0 - offset > maxEnd) {
                maxEnd = pos0 - offset;
            }
        }
        if ((nullBits & 0x2) != 0x0) {
            final int fieldOffset2 = buf.getIntLE(offset + 26);
            int pos2 = offset + 30 + fieldOffset2;
            final int arrLen = VarInt.peek(buf, pos2);
            pos2 += VarInt.length(buf, pos2) + arrLen * 4;
            if (pos2 - offset > maxEnd) {
                maxEnd = pos2 - offset;
            }
        }
        return maxEnd;
    }
    
    public void serialize(@Nonnull final ByteBuf buf) {
        final int startPos = buf.writerIndex();
        byte nullBits = 0;
        if (this.name != null) {
            nullBits |= 0x1;
        }
        if (this.footstepIntervals != null) {
            nullBits |= 0x2;
        }
        buf.writeByte(nullBits);
        buf.writeFloatLE(this.speed);
        buf.writeFloatLE(this.blendingDuration);
        buf.writeByte(this.looping ? 1 : 0);
        buf.writeFloatLE(this.weight);
        buf.writeIntLE(this.soundEventIndex);
        buf.writeIntLE(this.passiveLoopCount);
        final int nameOffsetSlot = buf.writerIndex();
        buf.writeIntLE(0);
        final int footstepIntervalsOffsetSlot = buf.writerIndex();
        buf.writeIntLE(0);
        final int varBlockStart = buf.writerIndex();
        if (this.name != null) {
            buf.setIntLE(nameOffsetSlot, buf.writerIndex() - varBlockStart);
            PacketIO.writeVarString(buf, this.name, 4096000);
        }
        else {
            buf.setIntLE(nameOffsetSlot, -1);
        }
        if (this.footstepIntervals != null) {
            buf.setIntLE(footstepIntervalsOffsetSlot, buf.writerIndex() - varBlockStart);
            if (this.footstepIntervals.length > 4096000) {
                throw ProtocolException.arrayTooLong("FootstepIntervals", this.footstepIntervals.length, 4096000);
            }
            VarInt.write(buf, this.footstepIntervals.length);
            for (final int item : this.footstepIntervals) {
                buf.writeIntLE(item);
            }
        }
        else {
            buf.setIntLE(footstepIntervalsOffsetSlot, -1);
        }
    }
    
    public int computeSize() {
        int size = 30;
        if (this.name != null) {
            size += PacketIO.stringSize(this.name);
        }
        if (this.footstepIntervals != null) {
            size += VarInt.size(this.footstepIntervals.length) + this.footstepIntervals.length * 4;
        }
        return size;
    }
    
    public static ValidationResult validateStructure(@Nonnull final ByteBuf buffer, final int offset) {
        if (buffer.readableBytes() - offset < 30) {
            return ValidationResult.error("Buffer too small: expected at least 30 bytes");
        }
        final byte nullBits = buffer.getByte(offset);
        if ((nullBits & 0x1) != 0x0) {
            final int nameOffset = buffer.getIntLE(offset + 22);
            if (nameOffset < 0) {
                return ValidationResult.error("Invalid offset for Name");
            }
            int pos = offset + 30 + nameOffset;
            if (pos >= buffer.writerIndex()) {
                return ValidationResult.error("Offset out of bounds for Name");
            }
            final int nameLen = VarInt.peek(buffer, pos);
            if (nameLen < 0) {
                return ValidationResult.error("Invalid string length for Name");
            }
            if (nameLen > 4096000) {
                return ValidationResult.error("Name exceeds max length 4096000");
            }
            pos += VarInt.length(buffer, pos);
            pos += nameLen;
            if (pos > buffer.writerIndex()) {
                return ValidationResult.error("Buffer overflow reading Name");
            }
        }
        if ((nullBits & 0x2) != 0x0) {
            final int footstepIntervalsOffset = buffer.getIntLE(offset + 26);
            if (footstepIntervalsOffset < 0) {
                return ValidationResult.error("Invalid offset for FootstepIntervals");
            }
            int pos = offset + 30 + footstepIntervalsOffset;
            if (pos >= buffer.writerIndex()) {
                return ValidationResult.error("Offset out of bounds for FootstepIntervals");
            }
            final int footstepIntervalsCount = VarInt.peek(buffer, pos);
            if (footstepIntervalsCount < 0) {
                return ValidationResult.error("Invalid array count for FootstepIntervals");
            }
            if (footstepIntervalsCount > 4096000) {
                return ValidationResult.error("FootstepIntervals exceeds max length 4096000");
            }
            pos += VarInt.length(buffer, pos);
            pos += footstepIntervalsCount * 4;
            if (pos > buffer.writerIndex()) {
                return ValidationResult.error("Buffer overflow reading FootstepIntervals");
            }
        }
        return ValidationResult.OK;
    }
    
    public Animation clone() {
        final Animation copy = new Animation();
        copy.name = this.name;
        copy.speed = this.speed;
        copy.blendingDuration = this.blendingDuration;
        copy.looping = this.looping;
        copy.weight = this.weight;
        copy.footstepIntervals = (int[])((this.footstepIntervals != null) ? Arrays.copyOf(this.footstepIntervals, this.footstepIntervals.length) : null);
        copy.soundEventIndex = this.soundEventIndex;
        copy.passiveLoopCount = this.passiveLoopCount;
        return copy;
    }
    
    @Override
    public boolean equals(final Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj instanceof final Animation other) {
            return Objects.equals(this.name, other.name) && this.speed == other.speed && this.blendingDuration == other.blendingDuration && this.looping == other.looping && this.weight == other.weight && Arrays.equals(this.footstepIntervals, other.footstepIntervals) && this.soundEventIndex == other.soundEventIndex && this.passiveLoopCount == other.passiveLoopCount;
        }
        return false;
    }
    
    @Override
    public int hashCode() {
        int result = 1;
        result = 31 * result + Objects.hashCode(this.name);
        result = 31 * result + Float.hashCode(this.speed);
        result = 31 * result + Float.hashCode(this.blendingDuration);
        result = 31 * result + Boolean.hashCode(this.looping);
        result = 31 * result + Float.hashCode(this.weight);
        result = 31 * result + Arrays.hashCode(this.footstepIntervals);
        result = 31 * result + Integer.hashCode(this.soundEventIndex);
        result = 31 * result + Integer.hashCode(this.passiveLoopCount);
        return result;
    }
}